Sigma Turn 50

The lens, flash and camera manufacturer are celebrating their 50th year of production this year after producing their first lens converter in 1961. Being around 30 years younger than Canon Sigma has achieved an impressive amount in a comparatively short time, including winning the What Digital Camera 2009 lens of the year award for the 24-70mm zoom.

To celebrate the US site are giving away a number of lenses and a DSLR body. More information can be found at the website.